&KDSWHU
7-3
Percents Greater Than 100%/
Less Than 1%
Objective To write fractions and decimals greater than 1 and less than 1 hundredth as percents
- To write percents greater than 100% and less than 1% as fractions and decimals
If the attendance at today’s game is 1.5 times greater than
expected, what percent of the expected attendance is the
actual attendance?
To find the percent, rename the decimal 1.5 as a percent.
You can rename decimals greater than 1 as percents.
To multiply by 100, move the decimal point
two places to the right. Write the percent symbol.
- 5 1. 5 0 150%
The decimal 1.5 is equivalent to 150%, so the actual
attendance is 150% of the expected attendance.
You can rename fractions greater than 1 as percents.
Rename as a percent.^54
Method 1 Write as an Equivalent Decimal
- Divide by the denominator to write the
equivalent decimal. - Multiply by 100 to write as a percent.
45 ^5 ^4 1.25 1.25125%
Method 2 Write a Proportion
500 4 n Cross multiply.
Divide both sides by 4.
125 n 125%
4 n
4
500
4
n
100
5
4
Rename 225% as a decimal.
To divide by 100, move the decimal point
twoplaces to the left. Remove the % sign.
225% 2.25
So 225% 2.25.
Rename 145% as a mixed number.
Write the percent as a fraction with a
denominator of 100. Simplify.
145%
So 145% ^2920 , or 1 209.
29
20
145 5
100 5
145
100
You can rename percents greater than 100% as decimals or fractions.
You can rename some percents as mixed numbers by breaking them into parts.
116 % 100% 16 % 1 % Rename 16 as a fraction greater than 1.
1 •
1 1
So 116 % 1.
2
3
50
3
2
3
1
6
1
6
1
6
2
3
2
3
1
100
50
3
Key Concept
Percents , , or 10 0%
100% 1,
so a percent greater than 100% is
greater than 1, and a percent less
than 100% is less than 1.
100
100
To rename % as a fraction, divide by 100.
This is the same as multiplying by 1001.
50
3